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A

addCoordinate(int, float) - Method in class de.psychometrica.lsa.SemanticVector
Add a specific coordinate

C

cosine(float[], float[]) - Static method in class de.psychometrica.lsa.LSATools
return the cosine between two vectors

D

de.psychometrica.lsa - package de.psychometrica.lsa
 
disconnect() - Method in class de.psychometrica.lsa.VectorStore
Disconnects the database.

E

exists(String) - Method in class de.psychometrica.lsa.VectorStore
Checks, if the word is in the database

G

getCoordinate() - Method in class de.psychometrica.lsa.SemanticVector
 
getCoordinate(int) - Method in class de.psychometrica.lsa.SemanticVector
Get a specific coordinate
getCosine(String, String) - Static method in class de.psychometrica.lsa.LSATools
returns the cosine between two texts using the cosine measure
getCosine(SemanticVector, SemanticVector) - Static method in class de.psychometrica.lsa.LSATools
returns the cosine between two vectors using the cosine measure
getDistance(SemanticVector, SemanticVector) - Static method in class de.psychometrica.lsa.LSATools
Compute the euclidean distance between two vectors within the semantic space
getDistance(String, String) - Static method in class de.psychometrica.lsa.LSATools
Compute the euclidean distance between two texts within the semantic space
getInstance() - Static method in class de.psychometrica.lsa.VectorStore
Initializes or retrieves the VectorStore
getKnownWords(String) - Method in class de.psychometrica.lsa.VectorStore
Return all known word in the text
getMissingWords(String) - Method in class de.psychometrica.lsa.VectorStore
Return all unknown word in the text
getMissingWordsList(String) - Method in class de.psychometrica.lsa.VectorStore
 
getNumberOfWords() - Method in class de.psychometrica.lsa.SemanticVector
 
getUnweightedSemanticVector(String) - Method in class de.psychometrica.lsa.VectorStore
The pure SemanticVector for a the text is computed by adding the vectors of all single words.
getVector(String) - Static method in class de.psychometrica.lsa.LSATools
returns a SemanticVector for an given text
getVectorLength() - Method in class de.psychometrica.lsa.SemanticVector
Compute the length of the vector
getVectors(String[]) - Static method in class de.psychometrica.lsa.LSATools
returns an array of SemanticVector for a string array of texts
getWeight() - Method in class de.psychometrica.lsa.SemanticVector
 
getWeightedSemanticVector(String) - Method in class de.psychometrica.lsa.VectorStore
The SemanticVector for a the text is computed by adding the vectors of all single words.
getWord() - Method in class de.psychometrica.lsa.SemanticVector
 
getWord(String) - Method in class de.psychometrica.lsa.VectorStore
Retrieves the vector for a specific word

I

incrementNumberOfWords() - Method in class de.psychometrica.lsa.SemanticVector
Increment the number of words, this vector is composed of
isConnected() - Method in class de.psychometrica.lsa.VectorStore
Checks, if the connection to the database is still open

L

LSAExample - Class in de.psychometrica.lsa
A little demonstration for computing the cosine between two texts
LSAExample() - Constructor for class de.psychometrica.lsa.LSAExample
 
LSATools - Class in de.psychometrica.lsa
The LSATools include some convenience methods for computing cosines and euclidean distances for semantic vectors
LSATools() - Constructor for class de.psychometrica.lsa.LSATools
 

M

main(String[]) - Static method in class de.psychometrica.lsa.LSAExample
 

S

SemanticVector - Class in de.psychometrica.lsa
The class serves as a storage objects for the data of the vector
SemanticVector(String, float, float[]) - Constructor for class de.psychometrica.lsa.SemanticVector
Initialize the vector and set the text
SemanticVector(String) - Constructor for class de.psychometrica.lsa.SemanticVector
Initialize the vector and set the text
setCoordinate(float[]) - Method in class de.psychometrica.lsa.SemanticVector
 
setCoordinate(float, int) - Method in class de.psychometrica.lsa.SemanticVector
Sets the coordinate for a specific dimension of this vector.
setNumberOfWords(int) - Method in class de.psychometrica.lsa.SemanticVector
Set the number of words, this vector is composed of.
setPath(String) - Static method in class de.psychometrica.lsa.VectorStore
Please set up the path to the directory file before doing any computations.
setWeight(float) - Method in class de.psychometrica.lsa.SemanticVector
Set the weight of this word
setWord(String) - Method in class de.psychometrica.lsa.SemanticVector
Set the text of the vector

V

VectorStore - Class in de.psychometrica.lsa
This class serves for retrieving coordinates from the database file.
A C D E G I L M S V